<?php // $Id: pixgroup.php,v 1.7.8.1 2008/04/02 06:10:08 dongsheng Exp $
	  // This function fetches group pictures from the data directory
	  // Syntax:   pix.php/groupid/f1.jpg or pix.php/groupid/f2.jpg
	  //	 OR:   ?file=groupid/f1.jpg or ?file=groupid/f2.jpg

	$nomoodlecookie = true;	 // Because it interferes with caching

	require_once('../config.php');
	require_once($CFG->libdir.'/filelib.php');

	// disable moodle specific debug messages
	disable_debugging();

	$relativepath = get_file_argument('pixgroup.php');

	$args = explode('/', trim($relativepath, '/'));

	if (count($args) == 2) {
		$groupid  = (integer)$args[0];
		$image	= $args[1];
		$pathname = $CFG->dataroot.'/groups/'.$groupid.'/'.$image;
	} else {
		$image	= 'f1.png';
		$pathname = $CFG->dirroot.'/pix/g/f1.png';
	}

	if (file_exists($pathname) and !is_dir($pathname)) {
		send_file($pathname, $image);
	} else {
		header('HTTP/1.0 404 not found');
		print_error('filenotfound', 'error'); //this is not displayed on IIS??
	}
?>
